:root{--text:#0f172a;--muted:#64748b;--line:rgba(15,23,42,.08);--grad1:#7c3aed;--grad2:#06b6d4;--grad3:#f59e0b;--radius:24px;--shadow:0 20px 50px rgba(15,23,42,.16);font-family:Inter,system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;background:linear-gradient(135deg,#eef2ff,#ecfeff 35%,#fff7ed);color:var(--text)}a{text-decoration:none}.shell{display:grid;grid-template-columns:280px 1fr;min-height:100vh}.sidebar{background:linear-gradient(180deg,#111827,#312e81);padding:24px;position:sticky;top:0;height:100vh}.brand{color:#fff;font-weight:800;font-size:1.25rem;margin-bottom:2rem}.nav-link{display:block;padding:14px 16px;border-radius:16px;color:#ffffffd6;margin-bottom:10px}.nav-link.active,.nav-link:hover{background:#ffffff24;color:#fff}.content{padding:24px 24px 96px}.topbar{display:flex;justify-content:space-between;gap:16px;align-items:center;background:linear-gradient(135deg,var(--grad1),var(--grad2));color:#fff;padding:28px;border-radius:28px;box-shadow:var(--shadow)}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.75rem;opacity:.78;margin:0 0 8px}.cta{background:#fff;color:#111827;border:none;padding:14px 18px;border-radius:16px;font-weight:700;cursor:pointer}.main-area{padding-top:20px}.page-grid{display:grid;gap:18px}.hero-card,.stat-card,.auth-card{background:#ffffffc2;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.55);border-radius:var(--radius);box-shadow:var(--shadow)}.hero-card{padding:24px}.stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.stat-card{padding:22px}.stat-card span{display:block;color:var(--muted);margin-bottom:8px}.stat-card strong{font-size:1.8rem}.stat-card:nth-child(1){background:linear-gradient(135deg,#7c3aed1f,#ffffffe0)}.stat-card:nth-child(2){background:linear-gradient(135deg,#06b6d41f,#ffffffe0)}.stat-card:nth-child(3){background:linear-gradient(135deg,#f59e0b1f,#ffffffe0)}.auth-shell{display:grid;place-items:center;min-height:100vh;padding:24px}.auth-card{width:min(460px,100%);padding:28px}.auth-card input{width:100%;padding:14px 16px;border-radius:16px;border:1px solid var(--line);margin-top:12px}.error-box{margin:12px 0;padding:12px 14px;border-radius:14px;background:#fee2e2;color:#991b1b}.mobile-nav{display:none}@media (max-width:980px){.shell{grid-template-columns:1fr}.sidebar{display:none}.content{padding:16px 16px 92px}.topbar{flex-direction:column;align-items:flex-start}.stats-row{grid-template-columns:1fr}.mobile-nav{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;position:fixed;left:0;right:0;bottom:0;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:#0f172aeb;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.mobile-link{padding:10px 6px;text-align:center;color:#fff;border-radius:12px;background:#ffffff1a;font-size:.78rem}}